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Finding the Fourth Proportional to 435,381.84, 653,325 and 182,640

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Solution

The fourth proportional to 435,381.84, 653,325 and 182,640 is: 274,065.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,381.84 : 653,325 = 182,640 : x
  2. Step 2: Convert to fraction form
    435,381.84/653,325 = 182,640/x
  3. Step 3: Cross multiply
    435,381.84x = 653,325 × 182,640
  4. Step 4: Simplify right side
    435,381.84x = 119,323,278,000
  5. Step 5: Solve for x
    x = 119,323,278,000/435,381.84
  6. Step 6: Final answer
    x = 274,065.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.